If you sell it, that is fine but I'd be as up front as possible with the potential buyer as to the issue that way they don't get surprised.
Of course.
I would NOT sell w/o telling the buyer. If I give a surprise to the buyer like that I may even find a bigger suprise later one day with the buyer standing in front of my door with a shotgun in his hand!
A good news is that (I just remembered) I still have 25000 miles/2.5 years left on my aftermarket powertrain warranty (by Mercury Ins) that is accepted by any authorized Caddilac dealer nationwide. I paid $1500 for that warranty last year when I bought the Esc. I hoped I would not have to use it but I think I will. Well, I guess I will even out on that cost!
If it happens to be the main bearing or rod bearings on the rank journal, I wonder which would be cheaper, replace bad bearings or swap out the motor (used 6.0L) from the insurance/dealer point of view? Is any auto mechanic out there who has some insight to this?
Thanks for the advice guys!